Answer:
degrees
Step-by-step explanation:
Angles on a straight line add up to 180 degrees.
Thus, 

Divide both sides by 4:


Answer:
3
Step-by-step explanation:
Answer:
it's a no trend cause its literally nothing but dots
Answer:
C. Marie should make sure she surveys both the fathers and mothers.
I don't understand your question, what exactly am I calculating here if there are no digits? Please elaborate. Thank you